<template>
  <view>
    <view class="goods-list">
      <view view  v-for="(goods, i) in goodsList" :key="i" @click="gotoDetail(goods)"><my-goods :goods="goods" ></my-goods></view >
    </view>
  </view>
</template>

<script>
export default {
  data() {
    return {
      queryObj: {
        query: '',
        cid: '',
        pagenum: 1,
        pagesize: 10
      },
      goodsList: [],
      total: 0,
      isloading: false
    };
  },
  onLoad(options) {
    // 将页面参数转存到 this.queryObj 对象中
    this.queryObj.query = options.query || '';
    this.queryObj.cid = options.cid || '';
    this.getGoodsList();
  },
  methods: {
    async getGoodsList(cb) {
      this.isloading = true;
      // 发起请求
      const { data: res } = await uni.$http.get('/api/public/v1/goods/search', this.queryObj);
      cb && cb()
      if (res.meta.status !== 200) return uni.$showMsg();
      this.isloading = false;
      this.goodsList = [...this.goodsList, ...res.message.goods];
      this.total = res.message.total;
    },
    onReachBottom() {
      if (this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕！');
      if (this.isloading) return;
      // 让页码值自增 +1
      this.queryObj.pagenum += 1;
      // 重新获取列表数据
      this.getGoodsList();
    },
    onPullDownRefresh() {
      // 1. 重置关键数据
      this.queryObj.pagenum = 1
      this.total = 0
      this.isloading = false
      this.goodsList = []
    
      // 2. 重新发起请求
      this.getGoodsList(() => uni.stopPullDownRefresh())
    },
    gotoDetail(goods){
       uni.navigateTo({
          url: '/subpkg/goods_detail/goods_detail?goods_id=' + goods.goods_id
        })
    }
  }
};
</script>

<style lang="scss"></style>
